Nafinet.org - Maintains the professional standard of flight instructors
NAFI - National Association of Flight Instructors
Excerpted from the website description:
- Flight Instructors - The official site for the National Association of Flight Instructors (NAFI). This is the place to find out more about being a part of a flight instructors-only support organization, or to possibly find a flight instructor that can help you fulfill your dreams of flight.